style: package use

src/main.rs

@@ -1,7 +1,7 @@
 #[macro_use]
 extern crate rust_util;
 
-use std::{env, fs};
+use std::{env, fs, process};
 use std::path::PathBuf;
 use std::process::Command;
 
@@ -73,7 +73,7 @@ runrs <script.rs> [arguments]
         run_script_cmd.arg(arg);
     }
     debugging!("Run command: {:?}", run_script_cmd);
-    match rust_util::util_cmd::run_command_and_wait(&mut run_script_cmd) {
+    match util_cmd::run_command_and_wait(&mut run_script_cmd) {
         Err(e) => failure_and_exit!("Run rust-script failed: {}", e),
         Ok(exit_status) => {
             if let Ok(Some(canonicalized_script_file)) = PathBuf::from(script_file)
@@ -83,7 +83,7 @@ runrs <script.rs> [arguments]
                     debugging!("Write {} to {}", canonicalized_script_file, cache_script_bin_name_src);
                 }
             }
-            std::process::exit(exit_status.code().unwrap_or_else(|| 0))
+            process::exit(exit_status.code().unwrap_or_else(|| 0))
         }
     }
 }